diff options
Diffstat (limited to 'dts/Bindings/mailbox/fsl,mu.yaml')
| -rw-r--r-- | dts/Bindings/mailbox/fsl,mu.yaml | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/dts/Bindings/mailbox/fsl,mu.yaml b/dts/Bindings/mailbox/fsl,mu.yaml index 675ad9de15..12e7a7d536 100644 --- a/dts/Bindings/mailbox/fsl,mu.yaml +++ b/dts/Bindings/mailbox/fsl,mu.yaml @@ -28,6 +28,12 @@ properties: - const: fsl,imx7ulp-mu - const: fsl,imx8ulp-mu - const: fsl,imx8-mu-scu + - const: fsl,imx8-mu-seco + - const: fsl,imx93-mu-s4 + - const: fsl,imx8ulp-mu-s4 + - items: + - const: fsl,imx93-mu + - const: fsl,imx8ulp-mu - items: - enum: - fsl,imx7s-mu @@ -50,7 +56,14 @@ properties: maxItems: 1 interrupts: - maxItems: 1 + minItems: 1 + maxItems: 2 + + interrupt-names: + minItems: 1 + items: + - const: tx + - const: rx "#mbox-cells": description: | @@ -59,14 +72,17 @@ properties: type : Channel type channel : Channel number - This MU support 4 type of unidirectional channels, each type - has 4 channels. A total of 16 channels. Following types are + This MU support 6 type of unidirectional channels, each type + has 4 channels except RST channel which only has 1 channel. + A total of 21 channels. Following types are supported: 0 - TX channel with 32bit transmit register and IRQ transmit acknowledgment support. 1 - RX channel with 32bit receive register and IRQ support 2 - TX doorbell channel. Without own register and no ACK support. 3 - RX doorbell channel. + 4 - RST channel + 5 - Tx doorbell channel. With S/W ACK from the other side. const: 2 clocks: @@ -85,6 +101,27 @@ required: - interrupts - "#mbox-cells" +allOf: + - if: + properties: + compatible: + enum: + - fsl,imx93-mu-s4 + then: + properties: + interrupt-names: + minItems: 2 + interrupts: + minItems: 2 + + else: + properties: + interrupts: + maxItems: 1 + not: + required: + - interrupt-names + additionalProperties: false examples: |